612134686 has 8 divisors (see below), whose sum is σ = 918717264. Its totient is φ = 305895600.

The previous prime is 612134681. The next prime is 612134693. The reversal of 612134686 is 686431216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612134681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81370 + ... + 88573.

It is an arithmetic number, because the mean of its divisors is an integer number (114839658).

Almost surely, 2^612134686 is an apocalyptic number.

612134686 is a deficient number, since it is larger than the sum of its proper divisors (306582578).

612134686 is a wasteful number, since it uses less digits than its factorization.

612134686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171746.

The product of its digits is 41472, while the sum is 37.

The square root of 612134686 is about 24741.3557833842. The cubic root of 612134686 is about 849.0807529357.

The spelling of 612134686 in words is "six hundred twelve million, one hundred thirty-four thousand, six hundred eighty-six".